雅思阅读

📖 Reading Passage

The concept of 'neuroplasticity' has revolutionized our understanding of the human brain. Historically, scientists believed that the adult brain was largely fixed after a critical period in childhood. However, recent research demonstrates that the brain retains the remarkable ability to reorganize its neural pathways throughout life. This plasticity is not merely a passive response to injury but an active, ongoing process that underpins learning and memory. For instance, studies on London taxi drivers revealed that their posterior hippocampus, a region involved in spatial navigation, was significantly larger than that of control subjects, suggesting that extensive environmental demands can physically alter brain structure. This finding challenges the traditional view and opens new avenues for therapeutic interventions in neurological disorders, emphasizing that cognitive training might not only improve function but also induce structural changes.